PAC (Polyaluminium Chloride) – Water Treatment Coagulant Supplier from China
PAC (Polyaluminium Chloride), also known as Poly Aluminium Chloride, is an efficient inorganic polymer coagulant widely used in drinking water treatment, wastewater treatment, industrial water purification, and various environmental protection applications.
PAC is mainly used to remove suspended solids, turbidity, organic matter, and other impurities from water through the coagulation process. Compared with traditional aluminum salts, PAC provides better coagulation performance, wider pH adaptability, and lower sludge production in many water treatment systems.
We supply Polyaluminium Chloride (PAC) from China for international customers, water treatment companies, distributors, and industrial users. Different grades including drinking water grade and industrial grade can be supplied according to application requirements.
COA, SDS, TDS, and technical specifications can be provided for product evaluation.
PAC Product Information
| Item | Specification |
|---|---|
| Product Name | Polyaluminium Chloride |
| Abbreviation | PAC |
| Chemical Name | Poly Aluminium Chloride |
| CAS Number | 1327-41-9 |
| Appearance | White, yellow or light yellow powder |
| Chemical Type | Inorganic Polymer Coagulant |
| Basicity | Usually 30-90% |
| Aluminum Oxide (Al₂O₃) | Commonly 28%-30% |
PAC is available in powder, granular, and liquid forms depending on production requirements and customer applications.
What Is PAC (Polyaluminium Chloride)?
Polyaluminium Chloride is a polymeric aluminum-based coagulant formed through controlled hydrolysis and polymerization of aluminum chloride.
When added to water, PAC produces positively charged aluminum hydroxide polymer species that neutralize negatively charged particles and colloids.
This process helps:
- Destabilize suspended particles
- Reduce turbidity
- Improve sedimentation
- Enhance filtration efficiency
- Remove certain organic impurities
PAC is widely used because it provides effective coagulation performance with relatively simple operation.
PAC as a Water Treatment Coagulant
The primary function of PAC is coagulation.
In water treatment systems, many suspended particles are too small to settle naturally because they carry negative electrical charges and remain stable in water.
PAC works by neutralizing these charges and allowing particles to combine into larger aggregates.
The main benefits of PAC include:
- High coagulation efficiency
- Fast floc formation
- Wide pH application range
- Lower sludge generation compared with some traditional coagulants
- Good performance at low temperature conditions
- Easy handling and storage
PAC for Drinking Water Treatment
PAC is widely used in drinking water purification.
It can help remove:
- Suspended solids
- Turbidity
- Natural organic matter
- Color-causing substances
Compared with traditional aluminum sulfate, PAC often provides better performance under various water conditions and requires lower dosage in many applications.
Drinking water treatment applications require suitable product grades that comply with local regulations and quality standards.
PAC for Wastewater Treatment
Wastewater treatment is one of the largest applications of PAC.
PAC is used in:
- Municipal wastewater treatment plants
- Industrial wastewater facilities
- Chemical wastewater treatment
- Textile wastewater treatment
- Paper mill wastewater
- Food processing wastewater
In wastewater systems, PAC helps improve:
- Solid-liquid separation
- Suspended solids removal
- Clarification efficiency
- Treatment stability
PAC is often used together with polymer flocculants such as PAM (Polyacrylamide) to achieve better sedimentation performance.
PAC Industrial Grade
Industrial Grade PAC is widely used in various industrial water treatment applications.
Common applications include:
- Factory wastewater treatment
- Process water purification
- Mining wastewater treatment
- Paper manufacturing
- Textile processing
- Chemical industry wastewater
The suitable PAC specification depends on water quality, treatment process, and customer requirements.
PAC Powder Grades
PAC powder is one of the most common commercial forms.
Common specifications include:
PAC 28%
Used for general industrial wastewater treatment applications.
PAC 30%
A higher-grade PAC commonly used in drinking water treatment and demanding wastewater applications.
Important quality parameters may include:
- Al₂O₃ content
- Basicity
- Insoluble matter
- pH value
- Heavy metal content
The appropriate grade should be selected according to the application and regulatory requirements.
PAC vs Alum (Aluminum Sulfate)
PAC and aluminum sulfate are both aluminum-based coagulants, but PAC generally provides improved performance in many applications.
PAC Advantages:
- Faster coagulation
- Lower dosage requirement
- Better performance over wider pH range
- Less sludge production
- Better low-temperature performance
However, the suitable coagulant depends on water characteristics, treatment process, and operating conditions.
PAC vs PAM
PAC and PAM are often used together but have different functions.
PAC (Polyaluminium Chloride)
- Coagulant
- Neutralizes particle charges
- Creates initial flocs
PAM (Polyacrylamide)
- Flocculant
- Enlarges flocs
- Improves settling and sludge dewatering
In many wastewater treatment systems, PAC is added first, followed by PAM to improve separation efficiency.
PAC Applications
PAC is widely used in:
- Drinking water treatment
- Municipal wastewater treatment
- Industrial wastewater treatment
- Paper industry
- Textile industry
- Mining wastewater
- Food processing wastewater
- Chemical industry wastewater
Key Properties of PAC
PAC provides several advantages:
- Efficient inorganic polymer coagulant
- Strong turbidity removal ability
- Wide application range
- Good sedimentation performance
- Suitable for drinking water and wastewater treatment
- Available in powder and liquid forms
- Compatible with PAM flocculants
- Suitable for industrial water purification
Storage and Handling of PAC
PAC should be stored in a dry and ventilated area away from moisture.
During storage, the product should be protected from contamination and excessive humidity to maintain product quality and handling properties.
Why Choose Our PAC?
We supply PAC (Polyaluminium Chloride) for international water treatment customers.
Our PAC products are suitable for:
- Water treatment companies
- Wastewater treatment plants
- Industrial users
- Chemical distributors
- Environmental engineering companies
Technical documents including COA, SDS, and TDS can be provided.
Customers can provide their water treatment application, required specification, quantity, and destination so we can recommend a suitable PAC grade.
PAC Supplier from China
If you are looking for a reliable PAC supplier from China, we can provide Polyaluminium Chloride for drinking water treatment, wastewater treatment, and industrial applications.
Please contact us with your required PAC grade, quantity, application, and destination.
We can provide product specifications, COA, SDS, TDS, quotation, and export supply information.
Frequently Asked Questions About PAC
What is PAC?
PAC stands for Polyaluminium Chloride, an inorganic polymer coagulant widely used in water purification and wastewater treatment.
What is the CAS number of PAC?
The CAS number of Polyaluminium Chloride is 1327-41-9.
What is PAC used for?
PAC is mainly used for drinking water treatment, wastewater treatment, turbidity removal, and industrial water purification.
Is PAC a flocculant?
No. PAC is mainly a coagulant. PAM is a flocculant used to improve floc size and settling performance.
What is PAC 30%?
PAC 30% generally refers to a grade with approximately 30% aluminum oxide (Al₂O₃) content and is commonly used for higher-performance water treatment applications.
Can PAC be used with PAM?
Yes. PAC and PAM are often used together in wastewater treatment. PAC provides coagulation, while PAM improves flocculation and settling.
Request a PAC Quotation
Looking for a reliable PAC (Polyaluminium Chloride) supplier from China?
Contact us for PAC specifications, including Al₂O₃ content, basicity, COA, SDS, TDS, pricing, and bulk supply information.
We provide PAC for drinking water treatment, wastewater treatment, and industrial water purification applications.